OECD (2000), „Guidance Document on Aquatic Toxicity Testing of Difficult Substances and Mixtures“, OECD Environment, Health and Safety Publications (EHS), Series on Testing and Assessment, No. 23, OECD Publishing, Paris.
Prethodna saznanja o toksičnosti ispitivane kemikalije na temelju ispitivanja za utvrđivanje raspona mogu pomoći u odabiru prikladnih ispitnih koncentracija.